use thiserror::Error;
pub type QueueResult<T> = Result<T, QueueError>;
#[derive(Debug, Error)]
pub enum QueueError {
#[error("invalid queue configuration: {0}")]
InvalidConfig(String),
#[error("queue provider '{0}' is not registered with the factory")]
ProviderNotRegistered(String),
#[error("queue provider '{provider}' does not support feature '{feature}'")]
Unsupported { provider: &'static str, feature: &'static str },
#[error("queue serialization error: {0}")]
Serialization(String),
#[error("queue backend connection error: {0}")]
Connection(String),
#[error("queue backend error: {0}")]
Backend(String),
#[error("queue operation timed out")]
Timeout,
}
impl QueueError {
pub fn invalid_config(msg: impl Into<String>) -> Self {
Self::InvalidConfig(msg.into())
}
pub fn backend(msg: impl Into<String>) -> Self {
Self::Backend(msg.into())
}
pub fn connection(msg: impl Into<String>) -> Self {
Self::Connection(msg.into())
}
pub fn serialization(msg: impl Into<String>) -> Self {
Self::Serialization(msg.into())
}
pub fn unsupported(provider: &'static str, feature: &'static str) -> Self {
Self::Unsupported { provider, feature }
}
pub fn is_transient(&self) -> bool {
matches!(self, Self::Connection(_) | Self::Timeout)
}
}